java -Xss1g -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp18-benchmarks/lra/chc-lra-0041.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-20 23:05:12,966 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-20 23:05:12,973 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-20 23:05:12,988 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-20 23:05:12,988 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-20 23:05:12,990 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-20 23:05:12,991 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-20 23:05:12,993 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-20 23:05:12,994 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-20 23:05:12,995 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-20 23:05:12,996 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-20 23:05:12,996 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-20 23:05:12,997 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-20 23:05:12,998 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-20 23:05:12,999 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-20 23:05:13,000 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-20 23:05:13,002 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-20 23:05:13,005 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-20 23:05:13,007 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-20 23:05:13,008 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-20 23:05:13,009 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-20 23:05:13,012 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-20 23:05:13,012 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-20 23:05:13,013 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-20 23:05:13,014 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-20 23:05:13,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-20 23:05:13,016 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-20 23:05:13,016 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-20 23:05:13,018 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-20 23:05:13,018 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-20 23:05:13,019 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-20 23:05:13,019 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-20 23:05:13,019 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-20 23:05:13,020 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-20 23:05:13,021 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-20 23:05:13,021 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-20 23:05:13,036 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-20 23:05:13,036 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-20 23:05:13,036 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-20 23:05:13,037 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-20 23:05:13,038 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-20 23:05:13,038 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-20 23:05:13,038 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-20 23:05:13,038 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-20 23:05:13,039 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-20 23:05:13,039 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-20 23:05:13,039 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-20 23:05:13,039 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-20 23:05:13,040 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-20 23:05:13,040 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-20 23:05:13,040 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-20 23:05:13,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-20 23:05:13,040 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-20 23:05:13,042 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-20 23:05:13,042 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-20 23:05:13,108 INFO ]: Repository-Root is: /tmp [2018-06-20 23:05:13,126 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-20 23:05:13,130 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-20 23:05:13,132 INFO ]: Initializing SmtParser... [2018-06-20 23:05:13,132 INFO ]: SmtParser initialized [2018-06-20 23:05:13,133 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp18-benchmarks/lra/chc-lra-0041.smt2 [2018-06-20 23:05:13,135 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-20 23:05:13,234 INFO ]: Executing SMT file /storage/chc-comp18-benchmarks/lra/chc-lra-0041.smt2 unknown [2018-06-20 23:05:13,727 INFO ]: Succesfully executed SMT file /storage/chc-comp18-benchmarks/lra/chc-lra-0041.smt2 [2018-06-20 23:05:13,731 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-20 23:05:13,738 INFO ]: Walking toolchain with 4 elements. [2018-06-20 23:05:13,739 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-20 23:05:13,739 INFO ]: Initializing ChcToBoogie... [2018-06-20 23:05:13,739 INFO ]: ChcToBoogie initialized [2018-06-20 23:05:13,742 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 20.06 11:05:13" (1/1) ... [2018-06-20 23:05:13,830 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 11:05:13 Unit [2018-06-20 23:05:13,830 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-20 23:05:13,831 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-20 23:05:13,831 INFO ]: Initializing Boogie Preprocessor... [2018-06-20 23:05:13,831 INFO ]: Boogie Preprocessor initialized [2018-06-20 23:05:13,859 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 11:05:13" (1/1) ... [2018-06-20 23:05:13,859 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 11:05:13" (1/1) ... [2018-06-20 23:05:13,886 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 11:05:13" (1/1) ... [2018-06-20 23:05:13,886 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 11:05:13" (1/1) ... [2018-06-20 23:05:13,912 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 11:05:13" (1/1) ... [2018-06-20 23:05:13,914 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 11:05:13" (1/1) ... [2018-06-20 23:05:13,919 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 11:05:13" (1/1) ... [2018-06-20 23:05:13,925 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-20 23:05:13,926 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-20 23:05:13,926 INFO ]: Initializing RCFGBuilder... [2018-06-20 23:05:13,926 INFO ]: RCFGBuilder initialized [2018-06-20 23:05:13,927 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 11:05:13" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-20 23:05:13,950 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-20 23:05:13,950 INFO ]: Found specification of procedure gotoProc [2018-06-20 23:05:13,950 INFO ]: Found implementation of procedure gotoProc [2018-06-20 23:05:13,950 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-20 23:05:13,950 INFO ]: Found specification of procedure Ultimate.START [2018-06-20 23:05:13,950 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-20 23:05:14,607 INFO ]: Using library mode [2018-06-20 23:05:14,608 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 11:05:14 BoogieIcfgContainer [2018-06-20 23:05:14,608 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-20 23:05:14,610 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-20 23:05:14,610 INFO ]: Initializing TraceAbstraction... [2018-06-20 23:05:14,620 INFO ]: TraceAbstraction initialized [2018-06-20 23:05:14,620 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 20.06 11:05:13" (1/3) ... [2018-06-20 23:05:14,621 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5449d252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 20.06 11:05:14, skipping insertion in model container [2018-06-20 23:05:14,621 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 20.06 11:05:13" (2/3) ... [2018-06-20 23:05:14,621 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5449d252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 11:05:14, skipping insertion in model container [2018-06-20 23:05:14,621 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 11:05:14" (3/3) ... [2018-06-20 23:05:14,623 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-20 23:05:14,638 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-20 23:05:14,648 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-20 23:05:14,714 INFO ]: Using default assertion order modulation [2018-06-20 23:05:14,714 INFO ]: Interprodecural is true [2018-06-20 23:05:14,714 INFO ]: Hoare is false [2018-06-20 23:05:14,715 INFO ]: Compute interpolants for FPandBP [2018-06-20 23:05:14,715 INFO ]: Backedges is TWOTRACK [2018-06-20 23:05:14,715 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-20 23:05:14,715 INFO ]: Difference is false [2018-06-20 23:05:14,715 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-20 23:05:14,715 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-20 23:05:14,731 INFO ]: Start isEmpty. Operand 10 states. [2018-06-20 23:05:14,747 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-20 23:05:14,749 INFO ]: Found error trace [2018-06-20 23:05:14,750 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-20 23:05:14,750 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-20 23:05:14,755 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-20 23:05:14,757 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-20 23:05:14,758 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-20 23:05:14,845 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-20 23:05:14,845 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-20 23:05:14,845 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-20 23:05:14,969 INFO ]: Conjunction of SSA is unsat [2018-06-20 23:05:15,253 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-20 23:05:15,256 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-20 23:05:15,256 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-20 23:05:15,257 INFO ]: Interpolant automaton has 3 states [2018-06-20 23:05:15,269 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-20 23:05:15,270 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-20 23:05:15,272 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-20 23:05:15,414 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-20 23:05:15,414 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-20 23:05:15,416 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-20 23:05:15,418 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-20 23:05:15,418 INFO ]: Finished accepts. some prefix is accepted. [2018-06-20 23:05:15,430 INFO ]: With dead ends: 9 [2018-06-20 23:05:15,430 INFO ]: Without dead ends: 9 [2018-06-20 23:05:15,432 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-20 23:05:15,452 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-20 23:05:15,472 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-20 23:05:15,473 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-20 23:05:15,474 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-20 23:05:15,476 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-20 23:05:15,476 INFO ]: Finished accepts. word is rejected. [2018-06-20 23:05:15,476 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-20 23:05:15,476 INFO ]: Interpolant automaton has 3 states. [2018-06-20 23:05:15,476 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-20 23:05:15,476 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-20 23:05:15,476 INFO ]: Found error trace [2018-06-20 23:05:15,476 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-20 23:05:15,477 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-20 23:05:15,477 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-20 23:05:15,477 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-20 23:05:15,477 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-20 23:05:15,478 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-20 23:05:15,478 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-20 23:05:15,478 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-20 23:05:48,670 INFO ]: Conjunction of SSA is unsat Received shutdown request... [2018-06-20 23:06:13,100 FATAL]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:265) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:919) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:210) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:228) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:410) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:425) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-06-20 23:06:13,127 INFO ]: Toolchain (without parser) took 59395.38 ms. Allocated memory was 305.7 MB in the beginning and 3.1 GB in the end (delta: 2.8 GB). Free memory was 238.1 MB in the beginning and 2.0 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-06-20 23:06:13,128 INFO ]: SmtParser took 0.12 ms. Allocated memory is still 305.7 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2018-06-20 23:06:13,129 INFO ]: ChcToBoogie took 91.96 ms. Allocated memory is still 305.7 MB. Free memory was 238.1 MB in the beginning and 234.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2018-06-20 23:06:13,129 INFO ]: Boogie Preprocessor took 94.05 ms. Allocated memory is still 305.7 MB. Free memory was 234.1 MB in the beginning and 232.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2018-06-20 23:06:13,129 INFO ]: RCFGBuilder took 681.97 ms. Allocated memory is still 305.7 MB. Free memory was 232.1 MB in the beginning and 194.0 MB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2018-06-20 23:06:13,129 INFO ]: TraceAbstraction took 58517.02 ms. Allocated memory was 305.7 MB in the beginning and 3.1 GB in the end (delta: 2.8 GB). Free memory was 192.0 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-06-20 23:06:13,131 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.12 ms. Allocated memory is still 305.7 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * ChcToBoogie took 91.96 ms. Allocated memory is still 305.7 MB. Free memory was 238.1 MB in the beginning and 234.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.05 ms. Allocated memory is still 305.7 MB. Free memory was 234.1 MB in the beginning and 232.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 681.97 ms. Allocated memory is still 305.7 MB. Free memory was 232.1 MB in the beginning and 194.0 MB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 58517.02 ms. Allocated memory was 305.7 MB in the beginning and 3.1 GB in the end (delta: 2.8 GB). Free memory was 192.0 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:265) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/chc-lra-0041.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-20_23-06-13-146.csv Completed graceful shutdown